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Finding the Fourth Proportional to 169,211.21, 233,617.64 and 108,886.68

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Solution

The fourth proportional to 169,211.21, 233,617.64 and 108,886.68 is: 150,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,211.21 : 233,617.64 = 108,886.68 : x
  2. Step 2: Convert to fraction form
    169,211.21/233,617.64 = 108,886.68/x
  3. Step 3: Cross multiply
    169,211.21x = 233,617.64 × 108,886.68
  4. Step 4: Simplify right side
    169,211.21x = 25,437,848,664.60
  5. Step 5: Solve for x
    x = 25,437,848,664.60/169,211.21
  6. Step 6: Final answer
    x = 150,331.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.